🏆 RANKINGLIVEUpdated 2026-04-19 · Based on PVFinder search volume

Top 50 Solar Panel Manufacturers in Japan 2026

The most-searched solar panel manufacturers in Japan on PVFinder, ranked by buyer views, certifications, and operating scale. Updated daily. Mature market with 85+ GW installed; FIT-to-FIP transition reshapes new project economics.

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Methodology: Rankings blend buyer view counts (60%), verified certifications (20%), and employee range (20%). Sponsored companies marked separately.

Rank	Company	Country	Power (W)	Technology	Employees	Action
1	A ATES Japan	Japan	210-560	单晶硅	—	Inquire
2	C Choshu Industry Japan	Japan	120-555	单晶硅	501-1000	Inquire
3	E Energy Gap Japan	Japan	250-630	单晶硅	—	Inquire
4	G GBP Japan	Japan	100-700	单晶硅	—	Inquire
5	H HTL Japan	Japan	460-520	单晶硅	—	Inquire
6	I Iluck Diamond Solar Japan	Japan	350-375	单晶硅	—	Inquire
7	K KIS Japan	Japan	0.68-450	单晶硅	—	Inquire
8	K Kaneka Japan	Japan	42-295	单晶硅	—	Inquire
9	K Kyocera Japan	Japan	230-415	单晶硅	1000+	Inquire
10	L Looop Japan	Japan	—	单晶硅	—	Inquire
11	N NET Japan	Japan	12-150	单晶硅	—	Inquire
12	N Next Energy & Resources Japan	Japan	130-635	单晶硅	201-500	Inquire
13	N Nippon Energy Japan	Japan	570-730	单晶硅	—	Inquire
14	P Panasonic Japan	Japan	350-430	背钝化 (PERC)	1000+	Inquire
15	S SHARP Japan	Japan	130-375	单晶硅	—	Inquire
16	S SI Solar Japan	Japan	430	单晶硅	—	Inquire
17	S Sanix Japan	Japan	305-370	单晶硅	1000+	Inquire
18	S Shecom Japan	Japan	1.5-240	单晶硅	—	Inquire
19	S Sky Japan Japan	Japan	225-640	单晶硅	11-50	Inquire
20	S Solan Solar Institute Japan	Japan	22.64-45.01	单晶硅	—	Inquire
21	S Solar Frontier Japan	Japan	250-455	单晶硅	—	Inquire
22	S Sphelar Power Japan	Japan	BIPV	薄膜	—	Inquire
23	S Studio Del Sole Japan	Japan	0.22-200	柔性	—	Inquire
24	T TOYO Solar Japan	Japan	415-590	单晶硅	—	Inquire
25	T Taiyo Kogyo Japan	Japan	—	集成型	501-1000	Inquire
26	T Tamiya Manufacturing Japan	Japan	—	BIPV	—	Inquire
27	T Toyo Aluminum Japan	Japan	410-550	单晶硅	1000+	Inquire
28	V VSUN Japan	Japan	390-700	单晶硅	—	Inquire
29	W WWB Japan	Japan	200-555	单晶硅	—	Inquire
30	X XSOL Japan	Japan	225-590	单晶硅	—	Inquire

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Frequently Asked Questions

How is this ranking calculated?

We combine buyer view counts on PVFinder (60% weight), verified certifications like IEC 61215/UL 61730 (20%), and employee range as a size proxy (20%). Sponsored companies appear with a clear badge.

How often is this list updated?

Daily. Rankings refresh every 24 hours based on the previous day's buyer activity on PVFinder.

Can my manufacturer be added?

If your company is a solar panel manufacturer with a website and IEC certifications, we can list you for free. Contact us or use our supplier signup page.